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Q.

Assertion (A) : Vector sum of three coplanar forces can be zero

Reason (R) : Minimum number of unequal coplanar vectors required to keep a point in equilibrium is three.

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a

A is incorrect and R is correct

b

Both A and R are correct and R is the correct explanation of A

c

A is correct and R is incorrect

d

Both A and R are correct , but R is not the correct explanation of A

answer is A.

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Detailed Solution

 B, C, D are not correct, vector sum of three coplanar forces can be zero minimum 3

unequal coplanar vectors require to keep a point in equilibrium.

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